Building-column



(No Mode1.\

H. F. STUHR. BUILDING COLUMN.

No. 476,905. Patented June 14, 1892.

UNITED STATES PATENT OEEIcE.

HERMAN F. STUHR, OF CLEVELAND, OHIO.

BUILDING-COLUMN.

SPECIFICATION forming part 0f Letters Patent N 0. 476,905, dated June 14, 1892.

Application tiled December 26, 1891. Serial No. 416,167. (No model.)

To a/ZZ whom t may concern.-

Be it known that l, HERMAN F. STUHR, of Cleveland, in the county of Cuyahoga and State of Ohio, have invented certain new and useful Improvements in Building-Columns; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled inthe art to which it pertains to make and use the same.

My invention relates to improvements in columns for building purposes, composed of metallic beams or bars.

Columns have heretofore been made of metallic beams or bars having heads or flanges with their webs bent to convex form and with an interposed core to provide bearings for the bent port-ion of said Webs and with bolts or rivets connecting the beams through the core. The necessityof bending the beams or bars of such columns to the proper convexity in addition to the initial operation of rolling said beams or bars, together with the construction of the core and. the care that had necessarily to be exercised to render the concavity of the core and convexity of the web of the beams or bars to correspond with each other, rendered the proper and accurate construction of such columns quite expensive. I have therefore devised the construction of column 'hereinafter described, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a longitudinal central section of my improved column, the section being taken lengthwise through the bolts or rivets that secure the parts together. Fig. 2 is a transverse section of the column, also taken longitudinally through one of the securing devices.

My improved column comprises three rolled metallic beams or bars-viz., two single-headed beams, that are the same in construction, and a double-headed beam.

A represents the head of the single-headed beams, and A the web of the beams. Vebs A at the inner end, respectively, terminate in an L-shaped portion a, with the base of the L at an obtuse angle to the body of the web.

B represents the heads of the double-headed beam, and B represents the web of the beam. The central portion of the web, of the beam is oblique to the body of the web, but parallel with the larger portion of the L- shaped extremity of the web of the singleheaded beams, member b of web B' extending to either side of the body of the web, D representing the portion of the web intervening between the ends ot' member l) and the body of the web and making an obtuse angle with the body of the web substantially corresponding with the obtuse angle formed by the base of the L and body-of the web ot' the single-headed beams.

In assembling the parts the beams are placed in position with the body of Webs A of the single-headed beams at a right angle to the body of the web B of the double-headed beam, so that the opposing surfaces of the L-shaped portion of webs A and central member b of Web B abut each other. Members c ay and Z; of the webs of the respective beams are perforated, as at a a b2, for the passage of bolts or rivets C, by means of which the beams are firmly secured together.

With my improved construction the beams are used as they come from the rolls, no subsequent operation being necessary, except the punching of the bolt or rivet holes, no cores are required, the columns can be made with great facility, and this, too, with infallible accuracy and greater firmness and stability.

What I claim is-- l. A column composed of two single-headed beams and a double-headed beam, the singleheaded beams having a web respectively terminating in an L-shaped portion and the central portion of the web ot' the doubleheaded beam being oblique to the-body of the web of said double-headed beam, the L- shaped portion of the single-headed beams abutting the central oblique portion of the double-headed beam and the beams being secured together by bolts or rivets, substantially as set forth.

2. A column composed of three metallic beams or bars, two sin gie-headed beams A and a double-headed beam B, the central portion of the web of the double-headed beam being In testimony whereof I sign this speeieation, in the presence of two Witnesses, this 25th day of November, 1891.

HERMAN F. STUHR.

of the double-headed beams and the beams Witnesses: being secured together by bolts or rivets, sub- C. H. DORER,

stantially as set forth.

l TARD HOOVER. 

